ip6.arpa zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (196.216.169.11)
ip6.arpa/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (196.216.169.11, UDP_-_EDNS0_4096_D_KN)
ip6.arpa/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (196.216.169.11, UDP_-_EDNS0_512_D_KN)
ip6.arpa/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (196.216.169.11, TCP_-_EDNS0_4096_D_N)
ip6.arpa/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (196.216.169.11, UDP_-_NOEDNS_)
ip6.arpa/TXT has errors; select the "Denial of existence" DNSSEC option to see them.
ip6.arpa/MX has errors; select the "Denial of existence" DNSSEC option to see them.
ei7ajrz398.ip6.arpa/A has errors; select the "Denial of existence" DNSSEC option to see them.
ip6.arpa/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (6)
arpa/DNSKEY (alg 8, id 19456): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)
arpa/DNSKEY (alg 8, id 42581): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)
arpa/DNSKEY (alg 8, id 43170): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)
ip6.arpa/NS: No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (196.216.169.11, UDP_-_EDNS0_4096_D_KN)
ip6.arpa/SOA: No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). See RFC 6891, Sec. 6.1.2. (196.216.169.11, UDP_-_EDNS0_4096_D_KN)
ip6.arpa/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.